LM79XX View Datasheet(PDF) - Contek Microelectronics
Part Name
Description
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LM79XX Datasheet PDF : 6 Pages
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LM79XX
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS(Ta=25 C)
PARAMETER
SYMBOL
Input voltage
Vi
Thermal resistance
R q JA
junction-air
Thermal resistance
R q JC
junction-cases
Operating Temperature
Topr
Storage Temperature
Tstg
VALUE
-35
65
5
0 ~ +125
-65 ~ +150
UNIT
V
C /W
C /W
C
C
Contek7905 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125 C,Io=500mA,Vi=-10V,Ci=33uF,Co=1uF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Tj=25 C
-4.8 -5.0 -5.2
V
Output voltage
Vo 5.0mA<Io<1.0A,Po<15W
Vi=-7V to -20V
-4.75 -5.00 -5.25 V
Line regulation
DVo Tj=25 C,Vi=-7V to -25V
10 100 mV
Tj=25 C,Vi=-8V to -12V
mV
Load regulation
DVo Tj=25 C,Io=5.0mA to 1.5A
10 100 mV
Tj=25 C,Io=250mA to 750mA
3
50 mV
Quiescent current
IQ
Tj=25 C
3
6
mA
Quiescent current change
DIQ Io=5mA to 1.0A
0.05 0.5 mA
Vi=-7V to -25V
0.1 1.3 mA
Output voltage drift
DVo/DT Io=5mA
-0.4
mV/ C
Output noise voltage
VN f=10hz to 100kHz,Ta=25 C
100
mV
Ripple rejection
RR f=120Hz, Vi=-8V to -18V
54
60
dB
Dropout voltage
Vo Io=1.0A,Tj=25 C
2
V
Short circuit current
Isc Vi=-35V,Ta=25 C
300
mA
peak current
Ipk Tj=25 C
2.2
A
Contek7906 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125 C,Io=500mA,Vi=-11V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Tj=25 C
-5.75 -6.00 6-.25 V
Output voltage
Vo 5.0mA<Io<1.0A,Po<15W
Vi=-8V to -21V
-5.7 -6.0 -6.3
V
Line regulation
DVo Tj=25 C,Vi=-8V to -25V
10 120 mV
Tj=25 C,Vi=-9V to -13V
5
60 mV
Load regulation
DVo Tj=25 C,Io=5.0mA to 1.5A
10 120 mV
Tj=25 C,Io=250mA to 750mA
3
60 mV
Quiescent current
IQ
Tj=25 C
3
6
mA
Quiescent current change
DIQ Io=5mA to 1.0A
0.5 mA
Vi=-8V to -25V
1.3 mA
Output voltage drift
DVo/DT Io=5mA
-0.5
mV/ C
Output noise voltage
VN f=10hz to 100kHz,Ta=25 C
130
mV
Ripple rejection
RR f=120Hz, Vi=-9V to -19V
54
60
dB
Dropout voltage
Vo Io=1.0A,Tj=25 C
2
V
Short circuit current
Isc Vi=-35V,Ta=25 C
300
mA
peak current
Ipk Tj=25 C
2.2
A
Contek Microelectronics Co.,Ltd.
2
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
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